Method getColumn

docs/tests/v2/es6/js/sanddance.js:153071–153077

(name)

  }

  getColumn(name) {
    for (let i = 0; i < this.columns.length; i++) {
      if (this.columns[i].name == name) {
        return this.columns[i];
      }
    }
  }

  runExpressionOnColumn(datum, ex) {
    const actualDataValue = datum[ex.name];